The signal from a radio station with two antennas d meters apart has a wavelength (in m). The intensity of the signal depends on

The signal from a radio station with two antennas d meters apart has a wavelength λ (in m). The intensity of the signal depends on the angle θ as shown in Fig. 4.26. An angle of minimum intensity is given by sinθ = 1.50λ/d. Find θ if λ = 200 m and d = 400 m.

Fig. 4.26.

A A 0